According to a recent study at Boise University, very few of the professors of different programs thought that they needed to actually teach how to behave professionally. They agreed that they needed to act professionally and to show by example such professional behavior. But they did not seem to need to teach the actual course in this is how to behave once you have been employed.
Only the Nursing Department offered such courses because bedside manner is truly a must have characteristic and nothing can be left to guessing how to answer questions for families or patients. Neither can nurses step on the toes of their senior administrators and co-workers. Any public service sector position such as teaching, nursing and clerical work should have those behavioral classes.
However, if a student of any other discipline is polished enough to study and pass any degree program in university, and is employed by a firm or industry, then surely half the battle is done. Human Resources at any business would have the resources to voice the fact that proper decorum is necessary and during the probationary period all had better be perfect.
There are laws now to protect those who fall target to the far from less perfect and a swift letter of dismissal is what it would take. Lengthy admission tests at both universities and employers would hopefully weed out the ones who have not a clue of how to behave in a social-business environment. If all else fails then the poorly deported would be sent to an office in the furthest post and would be denied re-admittance. He or she had locked in his own fate.
No one can guarantee that because you took a course in how to act professionally, that it would happen intrinsically. That is a nature/nurture type of question which every student needs to ponder.